Lan Troubleshooting; Procedure 1 Diagnostic Test Program Execution Check; Procedure 2 Connector Check And Replacement Check; Procedure 1 - Toshiba Satellite M300 Maintenance Manual
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Troubleshooting Procedures
2.12 LAN Troubleshooting
To check if the computer's LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1:
Procedure 2:
Procedure 1
Diagnostic Test Program Execution Check
Execute LAN test in the LAN/Modem test program. Refer to Chapter 3, Tests and Diagnostics
for more information on how to perform the test program.
If any error is detected by the test, go to Procedure 2.
Procedure 2
Connector Check and Replacement Check
The LAN function is embedded on system board. If LAN malfunctions, its connection is
defective or LAN cable and system board may be faulty.
Check 1
Make sure LAN cable is firmly connected to the connector CN9. If the problem
still occurs, perform Check 2.
Check 2
LAN cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.
Satellite M300 and Satellite Pro M300 Maintenance Manual
Diagnostic Test Program Execution Check
Connector Check and Replacement Check
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Troubleshooting
